锅炉窄点对锅炉受热面和蒸发量影响很大，窄点由15℃改为5℃，蒸发量增加10%，则废气 发布时间：2020-12-27 07:34 │ 来源：www.tikuol.com 题型：单项选择题 问题： 锅炉窄点对锅炉受热面和蒸发量影响很大，窄点由15℃改为5℃，蒸发量增加10%，则废气锅炉受热面（）。A.也要减小B.也要增大C.可不变D.利用率提高
题型：单项选择题 选词填空。together, bikes, wait, cold, fun, but, fishing Dear Tyrone, It was great to hear from you. I really miss camping at Huntington Beach too. I have never had somuch 1______. Now, my dad and I have been doing a lot of 2______. We catch mostly sunfish and bluegills, 3______ last weekend I caught a smallmouth. Do you ever go fishing? Wouldn't it be great if we could get our dads to take us on fishing trips 4______? What do you like to do for fun in Kentucky? Is it warm down there now? It's still pretty 5______where we live. We've been riding our 6______ a lot and playing with scooters, but we will probably have to 7______until the middle of June before we can go swimming. Write soon and tell me what you're doing. Your fishing buddy, Jason 查看答案